ios - Top space to superview does not work -


i want set uiimageview under navigationbar twitter profile. create constraint on top of uiimageview superview not work, uiimageview display below navigationbar. why ?

storyboard :

from storyboard constraint

screen :

result

code :

self.navigationcontroller!.navigationbar.setbackgroundimage(uiimage(), for: .default) self.navigationcontroller!.navigationbar.shadowimage = uiimage() self.navigationcontroller!.navigationbar.istranslucent = true

constraints :

constraist of imageview

make sure have view controller extend under navigation bar. can in storyboard shown:

storyboard


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